Exhibit 3.1

FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

OF

THE DUCKHORN PORTFOLIO, INC.

ARTICLE ONE

The name of the corporation is The Duckhorn Portfolio, Inc. (the “Corporation”).

ARTICLE TWO

The address of the Corporation’s registered office in the State of Delaware is 251 Little Falls Drive, Wilmington, New Castle County, Delaware 19808. The name of its registered agent at such address is Corporation Service Company.

ARTICLE THREE

The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of Delaware (the “DGCL”).

ARTICLE FOUR

The total number of shares which the Corporation shall have the authority to issue is one hundred (100) shares, all of which shall be shares of Common Stock, with a par value of $0.01 per share.

ARTICLE FIVE

The directors shall have the power to adopt, amend or repeal the Bylaws of the Corporation, except as may be otherwise be provided in the Bylaws of the Corporation.

ARTICLE SIX

The Corporation expressly elects not to be governed by Section 203 of the DGCL.

ARTICLE SEVEN

To the fullest extent that the DGCL or any other law of the State of Delaware (as they exist on the date hereof or as they may hereafter be amended) permits the limitation or elimination of the liability of directors or officers, no director or officer of the Corporation shall be liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director or officer. No amendment to, or modification or repeal of, this Article Seven shall adversely affect any right or protection of a director or officer of the Corporation existing hereunder with respect to any state of facts existing or act or omission occurring, or any cause of action, suit or claim that, but for this Article Seven, would accrue or arise, prior to such amendment, modification or repeal. If, after this Fourth Amended and Restated Certificate of Incorporation is filed with the Secretary of State of the State of Delaware, the DGCL or such other law is amended to authorize corporate action further eliminating or limiting the personal liability of directors or officers, then the liability of a director or officer of the Corporation shall be eliminated or limited to the fullest extent permitted by the DGCL or such other law, as so amended.

ARTICLE EIGHT

The Corporation reserves the right to amend or repeal any provisions contained in this Certificate of Incorporation from time to time and at any time in the manner now or hereafter prescribed by the laws of the State of Delaware, and all rights conferred upon stockholders and directors are granted subject to such reservation.